diff --git a/src/BaseDoc.py b/src/BaseDoc.py
index 1ae9f0af3..8cf0b3c9f 100644
--- a/src/BaseDoc.py
+++ b/src/BaseDoc.py
@@ -1707,7 +1707,7 @@ class TextDoc:
                     #make sure text can split
                     splitpos = text[start:pos].find(split)
                     while splitpos <> -1:
-                        otext += self.ESCAPE_FUNC()(text[start:splitpos])
+                        otext += self.ESCAPE_FUNC()(text[start:start+splitpos])
                         #close open tags
                         opentags.reverse()
                         for opentag in opentags: